build(deps): bump actions/download-artifact in /.github/workflows

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 3 to 4.1.7.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v3...v4.1.7)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/_build-packages.yml

@@ -43,7 +43,7 @@ jobs:
         pkg-name: ${{ fromJSON(inputs.pkg-names) }}
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4.1.7
         with:
           name: ${{ inputs.artifact-name }}
           path: pypi

.github/workflows/ci-pkg-install.yml

@@ -50,7 +50,7 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4.1.7
         with:
           name: dist-packages-${{ github.sha }}
           path: dist

.github/workflows/docs-build.yml

@@ -157,7 +157,7 @@ jobs:
       # use input if dispatch or git tag
       VERSION: ${{ inputs.version || github.ref_name }}
     steps:
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4.1.7
         with:
           name: docs-${{ matrix.pkg-name }}-${{ github.sha }}
           path: docs/build/html/

.github/workflows/release-nightly.yml

@@ -53,7 +53,7 @@ jobs:
       PKG_NAME: "lightning"
     steps:
       - uses: actions/checkout@v4 # needed to use local composite action
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v4.1.7
         with:
           name: nightly-packages-${{ github.sha }}
           path: dist

.github/workflows/release-pkg.yml

@@ -38,7 +38,7 @@ jobs:
     if: github.event_name == 'release'
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4.1.7
         with:
           name: dist-packages-${{ github.sha }}
           path: dist
@@ -140,7 +140,7 @@ jobs:
         name: ["FABRIC", "PYTORCH", "LIGHTNING"]
     steps:
       - uses: actions/checkout@v4 # needed for local action below
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4.1.7
         with:
           name: dist-packages-${{ github.sha }}
           path: dist
@@ -165,7 +165,7 @@ jobs:
         name: ["FABRIC", "PYTORCH", "LIGHTNING"]
     steps:
       - uses: actions/checkout@v4 # needed for local action below
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4.1.7
         with:
           name: dist-packages-${{ github.sha }}
           path: dist